pb.ev4.org has an AAAA (IPv6) record (2001:bd0:100::dead) but a test request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address. You should either ensure that validation requests to this domain succeed over IPv6, or remove its AAAA record.
Get "http://pb.ev4.org/.well-known/acme-challenge/letsdebug-test": dial tcp [2001:bd0:100::dead]:80: connect: connection refused
Trace:
@0ms: Making a request to http://pb.ev4.org/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:bd0:100::dead)
@0ms: Dialing 2001:bd0:100::dead
@67ms: Experienced error: dial tcp [2001:bd0:100::dead]:80: connect: connection refused
A test authorization for pb.ev4.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://pb.ev4.org/.well-known/acme-challenge/9a4XL2TbLzxjslbEMBYUlKsoY7qdzNJmM2kKhTW7HNM: Connection refused
CAA records control authorization for certificate authorities to issue certificates for a domain
pb.ev4.org. 0 IN CAA 128 issue "letsencrypt.org"
Requests made to the domain
Request to: pb.ev4.org/2001:bd0:100::dead, Result: [Address=2001:bd0:100::dead,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://pb.ev4.org/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:bd0:100::dead)
@0ms: Dialing 2001:bd0:100::dead
@67ms: Experienced error: dial tcp [2001:bd0:100::dead]:80: connect: connection refused
A and AAAA records found for this domain
pb.ev4.org. 0 IN AAAA 2001:bd0:100::dead
Challenge update failures for pb.ev4.org in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/165891797
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://pb.ev4.org/.well-known/acme-challenge/9a4XL2TbLzxjslbEMBYUlKsoY7qdzNJmM2kKhTW7HNM: Connection refused
The IANA public suffix is the TLD of the Registered Domain
The TLD for pb.ev4.org is: org
The current status.io status for Let's Encrypt
Operational